[PATCH] phy: stm32: fix an error code in probe

[Amelie Delaunay]

On 10/14/22 11:25, Dan Carpenter wrote:
> If "index > usbphyc->nphys" is true then this returns success but it
> should return -EINVAL.
> 
> Fixes: 94c358da3a05 ("phy: stm32: add support for STM32 USB PHY Controller (USBPHYC)")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Thanks Dan,

Reviewed-by: Amelie Delaunay <amelie.delaunay at foss.st.com>

> ---
>   drivers/phy/st/phy-stm32-usbphyc.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/phy/st/phy-stm32-usbphyc.c b/drivers/phy/st/phy-stm32-usbphyc.c
> index a98c911cc37a..5bb9647b078f 100644
> --- a/drivers/phy/st/phy-stm32-usbphyc.c
> +++ b/drivers/phy/st/phy-stm32-usbphyc.c
> @@ -710,6 +710,8 @@ static int stm32_usbphyc_probe(struct platform_device *pdev)
>   		ret = of_property_read_u32(child, "reg", &index);
>   		if (ret || index > usbphyc->nphys) {
>   			dev_err(&phy->dev, "invalid reg property: %d\n", ret);
> +			if (!ret)
> +				ret = -EINVAL;
>   			goto put_child;
>   		}
>